Henry County

Evolution of county from date of formation until it assumed its final form1 Apr 1820: Erected and attached to Wood2 Feb 1824: Attached to Williams26 Dec 1834: Organized20 Jun 1835: Diminished by formation of Lucas7 Apr 1845: Diminished by formation of Defiance1 Apr 1850: Diminished by formation of Fulton

Federal Population schedules extant from 1820-1940. (1890 missing) In 1820, Henry County was part of Wood County. The census for Wood County in 1820 is lost.